diff --git a/src/main/java/gregtech/loaders/postload/GT_MachineRecipeLoader.java b/src/main/java/gregtech/loaders/postload/GT_MachineRecipeLoader.java
index a4bbcfab..b1142da0 100644
--- a/src/main/java/gregtech/loaders/postload/GT_MachineRecipeLoader.java
+++ b/src/main/java/gregtech/loaders/postload/GT_MachineRecipeLoader.java
@@ -2526,7 +2526,7 @@ if(Loader.isModLoaded("Railcraft")){
     	GT_Values.RA.addChemicalRecipe(Materials.CarbonMonoxide.getCells(1), GT_Values.NI, Materials.Methanol.getFluid(1000), Materials.AceticAcid.getFluid(1000), Materials.Empty.getCells(1), 300);
     	GT_Values.RA.addChemicalRecipe(Materials.Ethylene.getCells(1), GT_Utility.getIntegratedCircuit(10), Materials.Oxygen.getGas(2000), Materials.AceticAcid.getFluid(1000), Materials.Empty.getCells(1), 100);
     	GT_Values.RA.addChemicalRecipe(Materials.Oxygen.getCells(2), GT_Utility.getIntegratedCircuit(10), Materials.Ethylene.getGas(1000), Materials.AceticAcid.getFluid(1000), Materials.Empty.getCells(2), 100);
-//    	GT_Values.RA.addChemicalRecipe(Materials.Oxygen.getCells(2), Materials.Ethylene.getCells(1), GT_Values.NF, Materials.AceticAcid.getFluid(1000), Materials.Empty.getCells(3), 100);
+    	GT_Values.RA.addChemicalRecipe(Materials.Oxygen.getCells(2), Materials.Ethylene.getCells(1), GT_Values.NF, Materials.AceticAcid.getFluid(1000), Materials.Empty.getCells(3), 100, true);
 
         GT_Values.RA.addFermentingRecipe(Materials.Biomass.getFluid(100), Materials.FermentedBiomass.getFluid(100), 150, false);
         GT_Values.RA.addFermentingRecipe(new FluidStack(FluidRegistry.getFluid("ic2biomass"), 100), Materials.FermentedBiomass.getFluid(100), 150, false);